Classifications

• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B47/00—Porphines; Azaporphines
  • C09B47/04—Phthalocyanines abbreviation: Pc
  • C09B47/32—Cationic phthalocyanine dyes

Definitions

• the alkylene radicals preferably have 2 to 8 carbon atoms.
• the alkylene radicals A have 2-5 C atoms and the alkylene radicals in B have 2-4 C atoms.
• Preferred alkyl and alkoxy radicals are those with 1 to 4 carbon atoms.
• the radicals R 1 and R 2 or R 5 and R 6 can together represent, for example, an ethylene bridge and then together with the group -NAN- or -NBN-, for example, form a piperazine ring.
• the radicals R 2 and R 3 or R 6 and R 7 together with the nitrogen atom can form a 5-, 6- or 7-membered ring, for example a pyrrolidine, piperidine, morpholine or optionally substituted piperazine or azacycloheptane ring form.
• the piperazine ring can be substituted on the nitrogen by a C 1 -C 4 alkyl group, which in turn can carry hydroxyl or amino groups.
• Anions which are customary are colorless organic and inorganic anions, for example chloride, bromide, iodide, hydroxyl, hydrogen sulfate, sulfate, methosulfate, ethosulfate, formate, acetate, propionate, benzenesulfonate and toluenesulfonate.
• the dyes of the formula (I) are obtained by converting copper phthalocyanine sulfonyl chlorides of the formula with m mol of an amine of the formula optionally subsequent conversion with n mol of an amine of the formula optionally with the addition of an acid-binding agent which does not react with the alkylating agent, in water or a mixture of water and a water-miscible organic solvent, after conversion with the amine of the formula (IV) at least one of the basic groups per molecule with a compound of formula quaternized, the dyes obtained either isolated or by adding a carboxylic acid of the formula wherein R 17 represents hydrogen or optionally chlorine-, H ydroxy, C 1 -C 4 alkoxy or carboxy C 1 -C 4 alkyl, or their mixtures, if necessary, excess quaternizing agent is destroyed and the dye is brought into solution.
• Copper phthalocyanine sulfonic acid chlorides of the formula (III) can carry the sulfonic acid chloride groups in the 3 or 4 positions of the benzene nuclei. They are obtained in the usual way by treating copper phthalocyanine or copper phthalocyanine sulfonic acids with chlorosulfonic acid and thionyl chloride. For isolation, the chlorosulfonic acid solutions are placed on ice, the precipitated copper phthalocyanine sulfonic acid chlorides are suctioned off and processed further in the form of aqueous pastes.
• Examples of amines of the formula (V) are the examples of the formula IV and additionally N, N-bis (3-aminopropyl) amine, N, N-bis (3-aminopropyl) methylamine, N, N-bis (2-aminoethyl) amine, N, N-bis (2-aminoethyl) methylamine, N, N'-bis (2-aminoethyl) -1,2-diaminoethane, 1,11-diamino-3,6 , 9-triazaundecane, N- (2-aminoethyl) piperazine.
• Examples of the quaternizing agents (VI) are: dimethyl sulfate, diethyl sulfate, p-toluenesulfonic acid methyl ester, p-toluenesulfonic acid ethyl ester, methyl chloride, methyl bromide, methyl iodide, 3-chloro-1,2-propanediol, 2-chloroethanol and ethylene oxide and propylene oxide in the presence a compound that provides the anion X (-) .
• acid-binding agents of the type mentioned above are: magnesium oxide, magnesium carbonate, Calcium oxide, sodium or potassium hydrogen carbonate, soda, potash, sodium hydroxide solution, potassium hydroxide solution, lithium hydroxide or lithium carbonate.
• the aqueous dye solutions obtained according to the invention can contain up to 30% by weight of dye.
• the dyes obtained according to the invention are notable for good to very good substantivity on paper.
• the paper dyeings obtained with them have good to excellent bleeding fastness.
• the very good solubility of the dyes according to the invention enables the production of liquid formulations which are increasingly preferred in practice.
• the use for dyeing paper is carried out according to conventional methods.
• the dyes are preferably used for coloring in bulk.
• the solutions of the dyes are added to the so-called thin or thick matter before reaching the material drain.
• 75 mmol of a moist CuPc- (3) - (SO 2 Cl) 2.2 paste become a mixture of 100 g ice, 100 g water, 22.5 ml N- (3-aminopropyl) morpholine and 8.5 g of magnesium oxide.
• the temperature is allowed to rise from 0.degree. C. to 20.degree. C. in 3 hours, the mixture is subsequently stirred at 20.degree. To 25.degree. C. and the mixture is heated up to 65.degree.
• the mixture is stirred at 65 ° C. for one hour, cooled, diluted with 90 ml of water and mixed with 23.5 ml of dimethyl sulfate in 10 minutes.
• Example 1 If the N- (3-aminopropyl) morpholine used in Example 1 is replaced by equimolar amounts of the amines mentioned in column 2 in the table below, dyes of the formula are obtained where Z has the meaning given in column 3 below. These dyes also dye paper from neutral to acidic baths in turquoise blue shades and can be chemically bleached very well.
• 150 mmol of a moist CuPc- (3) - (SO 2 Cl) 2.2 paste are introduced into 400 ml of ice / water and 50 ml of N- (3-aminopropyl) morpholine in a pressure-resistant vessel.
• the temperature is allowed to rise from 0 ° C. to 20 ° C. in 3 hours, 18 g of magnesium oxide are added and the mixture is then heated to a temperature of 10 ° C. per hour up to 65 ° C.
• the mixture is kept at 65 ° C. for 1 hour, cooled and methyl chloride is pressed in at 30 ° C. up to a pressure of 3 to 5 bar.
• the temperature is raised to 40 ° C. in an hour and held there until there is no further decrease in pressure.
• 150 mmol of a moist CuPc- (3) - (SO 2 Cl) 2.2 paste are introduced into 400 ml of ice / water and 50 ml of N- (3-aminopropyl) morpholine in a pressure-resistant vessel.
• the temperature is allowed to rise from 0 ° C. to 20 ° C. in 3 hours, 18 g of magnesium oxide are added and the mixture is then heated to a temperature of 10 ° C. per hour up to 65 ° C.
• the mixture is kept at 65 ° C. for 1 hour, cooled, and 16 g of ethyl chloride are passed in at 20-25 ° C. in 15 minutes.
• the temperature is raised to 30 ° C. in 1 hour, held there for 1 hour, raised to 40 ° C. in 1 hour and held there for 2 hours. Diluted with 22o ml of 85% formic acid.
• Example 4 If the ethyl chloride mentioned in Example 4 is replaced by 24 g of M ethyl bromide, a dye of the formula is obtained max 608 nm which corresponds to Example 4 in its properties.
• Example 6 If the ethyl bromide mentioned in Example 6 is replaced by 32.5 g of methyl iodide, a dye of the formula is obtained i max 608 nm which corresponds to Example 6 in its properties.
• the mixture is cooled to 20-25 ° C., 5.7 ml of dimethyl sulfate are added in 10 minutes and stirring is continued for 1 hour.
• the temperature is increased from 20 ° C to 40 ° C in two hours.
• the mixture is heated to 50 ° C. for 30 minutes.
• 20 ml of formic acid are added and the solution is raised to 95 ° C. for 30 minutes.
• 100 ml of a turquoise-colored solution are obtained, which dyes paper in clear turquoise tones and is very easy to bleach.
• Example 7 The procedure is as in Example 7, only the pH is maintained with 2 N NaOH. 110 ml of a dye solution are obtained, which also dyes papers in clear turquoise tones and is very easy to bleach.
• Example 7 The procedure is as in Example 7, only the pH is maintained with 2N KOH . 110 ml of a dye solution are obtained, the properties of which correspond to Example 7b.
• Example 1 The procedure is as in Example 1, except that the magnesium oxide is exchanged for 2.0 g of calcium oxide. After clarification, a dye solution is obtained which corresponds to Example 1.
• the mixture is stirred at 65 ° C. for one hour, cooled, diluted with 90 ml of water and mixed with 25.5 ml of dimethyl sulfate in 15 minutes.
• the mixture is stirred for 1 hour at 20-25 ° C, 1 hour at 30-35 ° C and 30 minutes at 50 ° C.
• 100 ml of 85% formic acid are added, the solution is heated to 95 ° C for 20 minutes and, after cooling to 20-30 ° C, diluted with a further 40 ml of 85% formic acid.
• Example 9 If the N- (3-aminopropyl) morpholine used in Example 9 is replaced by equimolar amounts of the amines which are mentioned in column 2 of the table following Example 1, dyes of the formula are obtained C uPc- (3) - ( SO 2 Z ) 2 , 5 where Z has the meaning given in the table mentioned. These dyes also dye paper from neutral to acidic baths in turquoise blue shades and can be chemically bleached very well.
• 75 mmol of a moist CuPc- (3) - (SO 2 Cl) 2.0 paste become a mixture of 100 g ice, 100 g water, 19.6 ml N - (3-aminopropyl) morpholine and 7.5 g of magnesium oxide.
• the temperature is allowed to rise from 0.degree. C. to 20.degree. C. in 3 hours, the mixture is subsequently stirred at 20.degree. To 25.degree. C. and the mixture is heated up to 65.degree.
• the mixture is stirred at 65 ° C. for one hour, cooled, diluted with 90 ml of water and mixed with 20.5 ml of dimethyl sulfate in 10 minutes.
• Example 10 If the N- (3 - aminopropyl) morpholine used in Example 10 is replaced by equimolar amounts of the amines which are mentioned in the table following Example 1, dyes of the formula are obtained where Z has the meaning given in the table mentioned. These dyes also dye paper from neutral to acidic baths in turquoise blue shades and can be chemically bleached very well.
• Example 2 The procedure is as in Example 1, except that 135 ml of acetic acid are used instead of the 85% formic acid. 635 ml of a dye solution are obtained, the properties of which correspond to those of Example 1.
• Example 2 The procedure is as in Example 1, except that 140 ml of 2-methoxyacetic acid are used instead of the 85% formic acid. 640 ml of a dye solution are obtained, the properties of which correspond to those of Example 1.
• Example 2 The procedure is as in Example 1, except that 140 ml of propionic acid are used instead of the 85% formic acid. 640 ml of a dye solution are obtained, the properties of which correspond to those of Example 1.
• Example 2 The procedure is as in Example 1, except that 135 ml of lactic acid are used instead of the 85% formic acid. 635 ml of a dye solution are obtained, the properties of which correspond to those of Example 1.
• Example 2 The procedure is as in Example 1, except that after the reaction with dimethyl sulfate with concentrated sulfuric acid to pH 1.5 to 1.8. After heating and then cooling, the mixture is diluted with 130 ml of acetic acid. 635 ml of a dye solution are obtained, the properties of which correspond to Example 1.
• Example 13 If the N- (3-aminopropyl) morpholine used in Example 13 is replaced by equimolar amounts of the amines which are mentioned in the table following Example 1, dyes of the formula are obtained where Z has the meaning given in the table mentioned. These dyes also dye paper from neutral to acidic baths in turquoise blue shades and can be chemically bleached very well.
• the above dye is dissolved in 40 ml of water and 60 ml of glacial acetic acid by stirring at 70 ° C. for 1 hour and, after clarification, cooled to 20-25 ° C.
• Example 15 If the dimethylaminopropylamine used in Example 15 is replaced by equimolar amounts of the amines which are mentioned in the table following Example 1, the dye of the formula is obtained where Z has the meaning given in the table mentioned. These dyes also dye paper from an acidic solution in turquoise shades with very good chemical bleachability.
• a mixture consisting of 50% bleached pine sulphate pulp and 50% bleached hardwood sulphate pulp existing dry matter is beaten in a hollander with water and up to M ahlgrad 30 SR ground so that the dry content is about 2.5%, and then precisely with water to 2.5% dry matter content of the thick matter adjusted.
• Example 1 The other dyes described in Example 1 and the dyes shown in Examples 2-15 can be colored in an analogous manner.
• Example 1 The other dyes in Example 1 and the dyes described in Examples 2-17 can be colored in an analogous manner. In each case, brilliant turquoise-colored papers with good bleachability are obtained.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Paper (AREA)
• Coloring (AREA)
• Nitrogen Condensed Heterocyclic Rings (AREA)

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• 1982
  • 1982-12-29 DE DE19823248466 patent/DE3248466A1/de not_active Withdrawn
• 1983
  • 1983-12-14 US US06/561,609 patent/US4537721A/en not_active Expired - Fee Related
  • 1983-12-17 DE DE8383112723T patent/DE3375797D1/de not_active Expired
  • 1983-12-17 EP EP83112723A patent/EP0114325B1/fr not_active Expired
  • 1983-12-28 JP JP58245610A patent/JPS59135256A/ja active Pending

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